At 2:43 p.m. EST (7:43 GMT) on December 31, 2018, NASA’s OSIRIS-REx spacecraft went into orbit around asteroid Bennu — setting new records for the smallest body ever orbited by a spacecraft and the closest orbit of a planetary body by any spacecraft. NASA’s OSIRIS-REx spacecraft at asteroid Bennu. Image credit: NASA Goddard Space Flight Center. OSIRIS-REx will circle Bennu about a mile (1.75 km) from its center. The comfortable distance...
